Not the same, but you can use two-man crypto verification to make sure a file was signed/encrypted by multiple parties. Example: https://github.com/psypete/publ

Not the same, but you can use two-man crypto verification to make sure a file was signed/encrypted by multiple parties. Example: https://github.com/psypete/public-bin/blob/public-bin/src/security/twoman.sh https://github.com/psypete/public-bin/blob/public-bin/src/se...